#include <stdio.h>
#include <stdbool.h>

struct date {
	int month;
	int day;
	int year;
};
bool isLeap(struct date d);
int numberOfDays(struct date d);

int main() {
	struct date today, tomorrow;
	printf("Enter today's date (mm dd yyyy):");
	scanf("%i %i %i", &today. month, &today . day, &today . year);
	if ( today.day != numberOfDays(today) ) {
		tomorrow.day = today.day + 1;
		tomorrow.month = today.month;
		tomorrow.year = today.year;
	} else if (today.month == 12 ) {
		tomorrow.day = 1;
		tomorrow.month = 1;
		tomorrow.year = today. year + 1;
	} else {
		tomorrow.day = 1;
		tomorrow.month = today.month + 1;
		tomorrow.year = today.year;
	}
	printf("Tomorrow's date is %i-%i-%i. \n",
	       tomorrow.year, tomorrow. month, tomorrow. day);
	return 0;
}

int numberOfDays(struct date d) {
	int days;
	const int daysPerMonth[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	if ( d.month == 2 && isLeap(d) )
		days = 29;
	else
		days = daysPerMonth [d. month - 1];
	return days ;
}

bool isLeap(struct date d) {
	bool leap = false;
	if ( (d.year % 4 == 0 && d.year % 100 != 0 ) || d.year % 400 == 0 )
		leap = true;
	return leap;
}


